LINEAR model MDRG receiver. It receives using on frequency 310 MHz.
The warranty on the MDRG garage door receiver is 1 year from LINEAR.
The model is still available.
LINEAR model MDRG receiver instructions and owners manual in PDF format at NO CHARGE!
VIEW / DOWNLOAD by clicking HERE
linear_mdrg_om.pdf
(0.12 MB in English) This requires Acrobat 10 or higher